package kin.system.util;

 

import java.awt.Color;  
import java.awt.Graphics2D;  
import java.awt.image.BufferedImage;  
import java.io.File;  
  
import javax.imageio.ImageIO;  
  
import com.swetake.util.Qrcode;  
  
/** 
 * 二维码生成器 
 * @blog http://sjsky.iteye.com 
 * @author Michael 
 */  
public class QRCodeEncoderHandler {  
  
    /** 
     * 生成二维码(QRCode)图片 
     * @param content 
     * @param imgPath 
     */  
    public static void  encoderQRCode(String content, String imgPath) {  
        try {  
  
            Qrcode qrcodeHandler = new Qrcode();  
            qrcodeHandler.setQrcodeErrorCorrect('M');  
            qrcodeHandler.setQrcodeEncodeMode('B');  
            qrcodeHandler.setQrcodeVersion(7); 
            
  
            System.out.println(content);  
            byte[] contentBytes = content.getBytes("Utf-8");  
  
            BufferedImage bufImg = new BufferedImage(140,140,  
                    BufferedImage.TYPE_INT_RGB);  
  
            Graphics2D gs = bufImg.createGraphics();  
  
            gs.setBackground(Color.WHITE); 
            
           // gs.clearRect(0, 0, 2000, 2000);  
            gs.clearRect(0, 0, 140, 140);
            
            
            // 设定图像颜色 > BLACK  
            gs.setColor(Color.BLACK);  
             int r=7;
             int pixoff = 2;
            // 设置偏移量 不设置可能导致解析出错  
           // int pixoff = 2*r;  
            // 输出内容 > 二维码  
            if (contentBytes.length > 0 && contentBytes.length <120) {  
                boolean[][] codeOut = qrcodeHandler.calQrcode(contentBytes);  
                for (int i = 0; i < codeOut.length; i++) {  
                    for (int j = 0; j < codeOut.length; j++) {  
                        if (codeOut[j][i]) {  
                        	gs.fillRect(j * 3 + pixoff, i * 3 + pixoff, 3, 3);
                            //gs.fillRect(j * 3 *r+ pixoff, i * 3*r + pixoff, 3*r, 3*r);  
                        }  
                    }  
                }  
            } else {  
                System.err.println("QRCode content bytes length = "  
                        + contentBytes.length + " not in [ 0,120 ]. ");  
            }  
  
            gs.dispose();  
            bufImg.flush();  
  
            File imgFile = new File(imgPath);  
  
            // 生成二维码QRCode图片  
            ImageIO.write(bufImg, "png", imgFile);  
  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
  
    }  
  
    /** 
     * @param args the command line arguments 
     */  
    public static void main(String[] args) {  
        String imgPath = "D:/test/twocode/Michael_QRCode.png";  
  
        String content = "非国大复色光共和国发挥好规划防寒服鬼画符鬼画符第三国富贵花富贵花法国大防盗锁小"  
            /*    + "\nMyblog [http://sjsky.iteye.com]"  
                + "\nEMail [sjsky007@gmail.com]" + "\nTwitter[@suncto]"*/;  
  
        QRCodeEncoderHandler handler = new QRCodeEncoderHandler();  
        handler.encoderQRCode(content, imgPath);  
  
        System.out.println("encoder QRcode success");  
    }  
}  
